The human body is asymmetrical. One breast bigger than the other, one ass cheek higher than the other, one foot bigger than the other. Also extreme use of one side over the other will cause differences. My cousin who drove Mack trucks with chain drive had his left leg more muscular from pressing the clutch.

DMCA Notice: If you own the copyright to any picture and
wish to receive credit or have it removed, please contact me and I will respond promptly.I will not
respond to third-party requests, hearsay, or assumptions—only to the legitimate copyright holder. - Nick